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DU8090Z DLP Projector - User Manual
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2. Ensure the power source is good by testing with another electrical device.
3. Restart the projector in the correct order and check that the Power LED is green.
4. Check if the projection Lens is installed properly, there is one safety switch inside the lens holder to detect if the
Projection lens is installed properly and is ready for projection.
Remote Control Problems
Problem: The projector does not respond to the remote control.
1. Direct the remote control towards remote sensor on the projector.
2. Ensure the path between remote and sensor is not obstructed.
3. Check the remote sensor on OSD is turned on.
4. Ensure remote control wire is not plugged in the projector.
5. Turn off any fluorescent lights in the room.
6. Check the battery polarity.
7. Replace the batteries.
8. Turn off other Infrared-enabled devices in the vicinity.
9. Have the remote control serviced.
10. Ensure that the remote control code conforms to the projector's code if universal remote control is used.
Projection Lens Problems
Problem: The Zoom or Focus adjustment can not work.
1. Check if the lens is installed properly, improper lens installation may cause to lens can not work normally.
Please follow the lens installation procedure to check again.
2. Perform Center Lens function to calibrate the Lens again.
3. Relace the other lens to check the problem if the lens is available.
4. Contact with service center for the details.
Remote communication Problems
Problem: The projector does not respond to Enthernet control
1. Make sure Network Standby is turned on, the communication path is interrupted if it’s turned off(less 0.5W)
2. Check the network configuration in your laptop and the projector, refer to Remote Communication manual for
more information.
Having the Projector Serviced
If you are unable to solve the problem, you should have the projector serviced. Pack the projector in the original
carton. Include a description of the problem and a checklist of the steps you took when trying to fix the problem. The
information may be useful to the service personnel. Return the projector to the place you purchased it.
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